llvm-6502/lib/Target/Mips/Mips16FrameLowering.h
Akira Hatanaka 0fdf3b029b Properly save and restore RA and Mips16 callee save registers S0,S1
Patch by Reed Kotler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164349 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21 01:08:16 +00:00

49 lines
1.6 KiB
C++

//===-- Mips16FrameLowering.h - Mips16 frame lowering ----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//
//
//===----------------------------------------------------------------------===//
#ifndef MIPS16_FRAMEINFO_H
#define MIPS16_FRAMEINFO_H
#include "MipsFrameLowering.h"
namespace llvm {
class Mips16FrameLowering : public MipsFrameLowering {
public:
explicit Mips16FrameLowering(const MipsSubtarget &STI)
: MipsFrameLowering(STI) {}
/// emitProlog/emitEpilog - These methods insert prolog and epilog code into
/// the function.
void emitPrologue(MachineFunction &MF) const;
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
const std::vector<CalleeSavedInfo> &CSI,
const TargetRegisterInfo *TRI) const;
bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
const std::vector<CalleeSavedInfo> &CSI,
const TargetRegisterInfo *TRI) const;
bool hasReservedCallFrame(const MachineFunction &MF) const;
void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
RegScavenger *RS) const;
};
} // End llvm namespace
#endif